<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>animation3</title>
<script src="js/vue.min.js"></script>
<style>
.bounce-enter-active {
  animation: bounce-in .5s;
}
.bounce-leave-active {
  animation: bounce-in .5s reverse;
}
@keyframes bounce-in {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.5);
  }
  100% {
    transform: scale(1);
  }
}
</style>
</head>
<body>
<div id = "databinding">
<button v-on:click = "show = !show">点我</button>
<transition name="bounce">
    <p v-if="show">lz -- 学的不仅是技术，更是梦想！！！</p>
</transition>
</div>
<script type = "text/javascript">
new Vue({
    el: '#databinding',
    data: {
        show: true
    }
})
</script>
</body>
</html>